Seoul National University · 工学
Professor Dae-Hyeong Kim's research lab specializes in developing sustainable and biodegradable electronic systems, with a strong focus on eco-friendly energy storage and stretchable optoelectronics. The lab pioneers innovative solutions such as biodegradable sodium-ion batteries and hydrogel-based thermal regulators inspired by natural plant mechanisms, emphasizing environmental compatibility and functional performance. Key research directions include the design of intrinsically stretchable electroluminescent devices and smart materials that dynamically respond to thermal and hydric stimuli. The lab integrates materials science, sustainability, and advanced device engineering to create next-generation electronics with minimal environmental impact.
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The production of rechargeable batteries is rapidly expanding, and there are going to be new challenges in the near future about how the potential environmental impact caused by the disposal of the large volume of the used batteries can be minimized. Herein, a novel strategy is proposed to address these concerns by applying biodegradable device technology. An eco-friendly and biodegradable sodium-ion secondary battery (SIB) is developed through extensive material screening followed by the synthe
Intrinsically stretchable electroluminescent (is-EL) devices, whose components are made of mechanically soft and stretchable materials, are gaining significant attention as promising solutions for intrinsically stretchable displays. Compared to conventional stretchable devices with strain-distributing geometries, such as island-bridge or buckling structures, is-EL devices offer simpler device designs, enhanced mechanical reliability, and improved pixel density. This review highlights recent adva
Plants such as Populus alba feature photoprotective foliage that dynamically modulates optical properties to dissipate excessive heat under high temperatures, while condensation-induced latent heating preserves warmth under cold conditions-enabling tolerance to fluctuating thermal and hydric environments. Inspired by this natural strategy, a hydrogel-based thermostat is presented that balances latent and radiative heat fluxes. The system integrates lithium ions and hydroxypropyl cellulose into a
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